<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a href="/" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14">{{ courseWebVo.subjectLevelOne }}</a>
        \
        <span class="c-333 fsize14">{{ courseWebVo.subjectLevelTwo }}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img height="357px" :src="courseWebVo.cover" :alt="courseWebVo.title" class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{ courseWebVo.title }}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{ courseWebVo.price }}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{ courseWebVo.teacherName }}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#">收藏</a>
              </span>
            </section>
            <!--            <section  v-if="isbuy || Number(courseWebVo.price) === 0" class="c-attr-mt">-->
            <!--              <a href="#" @click="lijiguankan" title="立即观看" class="comm-btn c-btn-3">立即观看</a>-->
            <!--            </section>-->
            <section class="c-attr-mt">
              <a @click="createOrders()" href="#" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.buyCount }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.lessonNum }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.viewCount }}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" class="current" title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <p v-html="courseWebVo.description">{{ courseWebVo.description }}</p>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterVideoList" :key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{ chapter.title }}
                            </a>

                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.videos" :key="video.id">
                                <a :href="'/player/'+video.videoSourceId" target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                                </a>
                              </li>

                            </ol>

                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>


                </div>
                <!-- /课程大纲 -->

                <div class="mt50 commentHtml">
                  <div>
                    <h6 class="c-infor-title" id="i-art-comment">
                      <span class="commentTitle">课程评论</span>
                    </h6>
                    <section class="lh-bj-list pr mt20 replyhtml">
                      <ul>
                        <li class="unBr">
                          <aside class="noter-pic">
                            <img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
                          </aside>
                          <div class="of">
                            <section class="n-reply-wrap">
                              <fieldset>
                                <textarea v-model="comment.content"
                                          placeholder="输入您要评论的文字" id="commentContent"></textarea>
                              </fieldset>
                              <p class="of mt5 tar pl10 pr10">
                                <span class="fl "><tt class="c-red commentContentmeg"
                                                      style="display: none;"></tt></span>
                                <input type="button"
                                       value="评论" class="lh-reply-btn" @click="createComment">
                              </p>
                            </section>
                          </div>
                        </li>
                      </ul>
                    </section>
                    <section v-for="comment in commentList" :key="comment.id">
                      <section class="question-list lh-bj-list pr">
                        <ul class="pr10">
                          <li>
                            <aside class="noter-pic">
                              <img :src="comment.avatar" width="50" height="50" class="picImg">
                            </aside>
                            <div class="of">
                              <span class="fl">
                    <font class="fsize12 c-blue">
                      {{ comment.nickname }}</font>
                    <font class="fsize12 c-999 ml5">评论：</font></span>
                            </div>
                            <div class="noter-txt mt5">
                              <p>{{ comment.content }}</p>
                            </div>
                          </li>

                        </ul>
                      </section>
                    </section>
                  </div>
                </div>
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img :src="courseWebVo.avatar" width="50" height="50" alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" href="#">{{ courseWebVo.teacherName }}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{ courseWebVo.intro }}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->
  </div>
</template>

<script>
import courseApi from '@/api/course'
import ordersApi from '@/api/orders'
import {createComment, getComments} from "../../api/comment";

export default {
  asyncData({params, error}) {
    return {courseId: params.id}
  },
  data() {
    return {
      courseWebVo: {},
      chapterVideoList: [],
      isbuy: false,

      commentList:[],
      comment:{
        courseId:this.courseId
      },
    }
  },
  created() {//在页面渲染之前执行
    this.initCourseInfo()
    this.initCommentInfo()
  },
  methods: {
    //查询课程详情信息
    initCourseInfo() {
      courseApi.getCourseInfo(this.courseId)
        .then(response => {
          this.courseWebVo = response.data.data.courseWebVo;
          this.chapterVideoList = response.data.data.chapterVideoList;
          // this.isbuy=response.data.data.isBuy
        })
    },
    //生成订单
    createOrders() {
      ordersApi.createOrders(this.courseId)
        .then(response => {
          //获取返回订单号
          //生成订单之后，跳转订单显示页面
          this.$router.push({path: '/orders/' + response.data.data.orderId})
        })
    },
    initCommentInfo(){
      getComments(this.courseId).then(res=>{
        this.commentList=res.data.data
      })
    },
    createComment(){
      this.comment.courseId=this.courseId
      createComment(this.comment).then(res=>{
        if (res.data.code===20000){
          this.$message.success("操作成功")
          this.comment.content=""
        }else {
          this.$message.error("操作失败")
        }
        this.initCommentInfo();
      })
    }
  }
};
</script>
